406573732 has 6 divisors (see below), whose sum is σ = 711504038. Its totient is φ = 203286864.

The previous prime is 406573709. The next prime is 406573733. The reversal of 406573732 is 237375604.

It can be written as a sum of positive squares in only one way, i.e., 293916736 + 112656996 = 17144^2 + 10614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 406573691 and 406573700.

It is not an unprimeable number, because it can be changed into a prime (406573733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50821713 + ... + 50821720.

Almost surely, 2^406573732 is an apocalyptic number.

It is an amenable number.

406573732 is a deficient number, since it is larger than the sum of its proper divisors (304930306).

406573732 is a wasteful number, since it uses less digits than its factorization.

406573732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101643437 (or 101643435 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 406573732 is about 20163.6735740291. The cubic root of 406573732 is about 740.8206940536.

The spelling of 406573732 in words is "four hundred six million, five hundred seventy-three thousand, seven hundred thirty-two".